Vacuum interrupter

Details Vacuum interrupter Vacuum interrupter

1988-10-03

1991-04-02

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

050048775

ABSTRACT:
Vacuum interrupters having an improved axially movable terminal assembly are provided for use in vacuum circuit breakers or similar protective devices. The improved movable terminal assembly includes an axially movable but non-rotatable internal terminal portion in contact with an axially movable and rotatable external terminal portion adapted for connection in a vacuum circuit breaker or the like. This arrangement allows the external terminal portion to rotate and twist during installation or adjustment of the vacuum interrupter in a circuit breaker device and prevents transmission of torsional stress to the internal terminal portion.

REFERENCES:
patent: 4272661 (1981-06-01), Dethlefsen

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